Concept explainers
Interpretation:
The number of
Concept Introduction:
>The alkene corresponding to the longest continuous chain that includes the double bond is considered as the parent, and the chain is numbered in the direction in which doubly bonded carbons get lower numbers. The suffix
The position of the double bond is indicated by writing the smaller number in the name out of the two double bonded carbon atoms.
>Cis and trans stereoisomers are possible only when the double bond is not a terminal double bond.
>When two similar groups are present on the same side of the double bond, the isomer is a cis isomer. If the similar groups are on the opposite sides, the isomer is a trans isomer.
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Organic Chemistry - Standalone book
- There are 17 possible alkene isomers with the formula C6H12. Draw structures of the five isomers in which the longest chain has six carbon atoms, and give the name of each. Are any of these isomers chiral? (There are also eight isomers in which the longest chain has five carbon atoms, and four isomers in which the longest chain has four carbon atoms. How many can you find?)arrow_forwardDraw the most stable conformation of pentane, using wedges and dashes to represent bonds coming out of the paper and going behind the paper, respectively.arrow_forwardWrite a conformational structure for 1,2,3-trimethylcyclohexane in which all the methyl groups are axial and then show its more stable conformation.arrow_forward
- Name the 1 isomer of C7H16 that contains 3 methyl branches on the parent chain.arrow_forwardWould there 5 isomers for hydrocarbons with the formula C4H8 ? ( including stereoisomersarrow_forwardDraw the condensed structures and give the systematic names for all the alkenes with molecular formula C6H12, ignoring stereoisomers. (Hint: There are 13.) b. Which of the alkenes have E and Z isomers? c. Which of the alkenes is the most stable? d. Which of the alkenes is the least stable?arrow_forward
- What alkane, with molecular formula C7H16, forms seven monochlorinated products (disregarding stereoisomers) when heated with Cl2?arrow_forwardDraw a chiral alkene with the formula C6H12.arrow_forwardDraw and name a constitutional isomer of C9H18 that has cis/trans isomers and is named a “3-hexene”. (Label your structure with the proper E/Z nomenclature).arrow_forward
- name and draw structural formulas for all cyclo-alkanes with the molecular formula C5H10. Be certain to include cis-trans isomers, as well as constitutional isomersarrow_forwardCompounds A and B are isomers of the molecular formula C9H19Br. Both yield the same alkene C in an elimination reaction. Hydrogenation of C yields the product 2,3,3,4 tetramethyl pentane. What are the structures of A, B, and C?arrow_forwardWhat alkane, with molecular formula C5H12, forms only one monochlorinated product when it is heated with Cl2?arrow_forward
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